html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: auto;
    background-color: #f1f2f3;
}

.container {
    box-sizing: border-box;
    width: 1000px;
    max-width: 100%;
    min-height: 100%;
    margin: 0 auto;
    padding: 30px 20px;
    overflow: hidden;
    background-color: #fff;
    border-right: solid 1px #eee;
    border-left: solid 1px #eee;
}

.container img,
.container audio,
.container video {
    max-width: 100%;
    height: auto;
}

.container p {
    white-space: pre-wrap;
    min-height: 1em;
    text-indent: 1em;
}

.container pre {
    padding: 15px;
    background-color: #f1f1f1;
    border-radius: 5px;
}

.container blockquote {
    margin: 0;
    padding: 15px;
    background-color: #f1f1f1;
    border-left: 3px solid #d1d1d1;
}

#content {
    margin-top: 20px;
}